Add copyright notice to stitch utils (cherry picked from commit 868d018f8736757d41ae413d3c8a310b9b7b95be)
Add copyright notice to stitch utils
(cherry picked from commit 868d018f8736757d41ae413d3c8a310b9b7b95be)

tcmitchell/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal,charliemeyer/geni-portal,charliemeyer/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal